Canadian Aviation Regulations (SOR/96-433)

700.28 (1) An air operator shall not assign a flight duty period to a flight crew member, and a flight crew member shall not accept such an assignment, if the flight duty period exceeds the maximum flight duty period set out in this section.

(2) If the average duration of all scheduled flights is less than 30 minutes, the maximum period of a flight duty period that begins during a period set out in column 1 of the table to this subsection is the number of hours set out in column 2, 3 or 4, according to the number of flights scheduled during the flight duty period.

(3) If the average duration of all scheduled flights is 30 minutes or more but less than 50 minutes, the maximum period of a flight duty period that begins during a period set out in column 1 of the table to this subsection shall not exceed the number of hours set out in column 2, 3 or 4, according to the number of flights scheduled during the flight duty period.

(4) If the average duration of all scheduled flights is 50 minutes or more, the maximum period of a flight duty period that begins during a period set out in column 1 of the table to this subsection shall not exceed the number of hours set out in column 2, 3 or 4, according to the number of flights scheduled during the flight duty period.

(5) For the purposes of subsections (2) to (4), a flight crew member is considered to be acclimatized if

• (a) in the case of a time zone difference of less than four hours between local time and the time at the last location where the member was acclimatized, any rest periods required under these Regulations have been provided and the member has spent 72 hours in the same time zone;

• (b) in the case of a time zone difference of four hours or more between local time and the time at the last location where the member was acclimatized, any rest periods required under these Regulations have been provided and the member has spent 96 hours in the same time zone; or

• (c) the member has spent 24 hours in the same time zone for each hour of difference between local time and the time at the last location where the member was acclimatized.

(6) For the purposes of subsections (2) to (4), positioning is not to be considered a flight.

(7) For the purposes of subsection (5), the Canadian time zones are Pacific, Mountain, Central, Eastern, and the Atlantic time zone, which includes Newfoundland and Labrador.

(8) The flight duty period for a flight crew member on standby begins at the time at which they report for duty at the location designated by the air operator.

(9) When all flights are conducted under day VFR, the maximum period of a flight duty period that begins during a period set out in column 1 of the table to this subsection shall not exceed the number of hours set out in column 2.